Finding the Third Proportional to 4,000,554 and 9,439,740

Step by Step Solution

1. Step 1: Write the proportion equation
   4,000,554 : 9,439,740 = 9,439,740 : x
2. Step 2: Convert to fraction form
   4,000,554/9,439,740 = 9,439,740/x
3. Step 3: Cross multiply
   4,000,554x = 9,439,740 × 9,439,740
4. Step 4: Simplify right side
   4,000,554x = 89,108,691,267,600
5. Step 5: Solve for x
   x = 89,108,691,267,600/4,000,554
6. Step 6: Final answer
   x = 22,274,087.86